-3.71% is the change from 997 to 960
Calculation steps:
[( 960 - 997 ) ÷ 997] x 100 = -3.71%
Formula
Percentage change = [(960 - 997) / 997] x 100
Subtract the new number by the original number
960 - 997 = -37
-37 ÷ 997 = -0.037111334002006016
-0.037111334002006016 x 100 = -3.71%